While she's clearly blessed with impeccable genetics, Cindy has admitted she now works hard to keep in shape: "When I was 23, other women could look at me and say 'Well, she's never had kids'. But now I have and I know what it's like to have to lose baby weight.

"I'm actually happier with my body now than I was back then, because the body I have now is the body I've worked for."

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Cindy, who was enjoying the summer break with husband Rande Gerber, has two children, Kaya and Presley.

Last year, French magazine Gala claimed the supermodel admitted to using Botox and collagen injections to preserve her looks.

It quoted her as saying: "I owe the quality of my skin to my cosmetic surgeon."

However, a spokeswoman for Cindy later denied that the model ever spoke to the magazine and revealed that she was hurt by the claims.